sector
noun(sec-tor)
a particular aspect of life or activity
Examples:
He was helpless in an important sector of his life.
sector
noun(sec-tor)
a plane figure bounded by two radii and the included arc of a circle
sector
noun(sec-tor)
a portion of a military position
sector
noun(sec-tor)
a social group that forms part of the society or the economy
Examples:
The public sector.
sector
noun(sec-tor)
measuring instrument consisting of two graduated arms hinged at one end
sector
noun(sec-tor)
the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes